Home / 2,867,642.70-3,956,883.87-1,643,723.02

Finding the Fourth Proportional to 2,867,642.70, 3,956,883.87 and 1,643,723.02

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Solution

The fourth proportional to 2,867,642.70, 3,956,883.87 and 1,643,723.02 is: 2,268,072.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,867,642.70 : 3,956,883.87 = 1,643,723.02 : x
  2. Step 2: Convert to fraction form
    2,867,642.70/3,956,883.87 = 1,643,723.02/x
  3. Step 3: Cross multiply
    2,867,642.70x = 3,956,883.87 × 1,643,723.02
  4. Step 4: Simplify right side
    2,867,642.70x = 6,504,021,104,585.69
  5. Step 5: Solve for x
    x = 6,504,021,104,585.69/2,867,642.70
  6. Step 6: Final answer
    x = 2,268,072.35

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.